Abstract
Effects of the polar optical phonon on excitons in quantum wells are studied theoretically by calculating binding energies, oscillator strengths, and virtual-phonon numbers involved in exciton states. It is shown that the effects depend not only on the strength of the electron-phonon coupling but also on the well width and the potential barrier: The result reflects the interrelation between the degree of the exciton confinement and the change of the polaron effects.
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